671364230400 has 648 divisors, whose sum is σ = 2479103827200. Its totient is φ = 173206978560.

The previous prime is 671364230377. The next prime is 671364230423. The reversal of 671364230400 is 4032463176.

It is a happy number.

671364230400 is a `hidden beast` number, since 6 + 7 + 1 + 3 + 642 + 3 + 0 + 4 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (671364230377) and next prime (671364230423).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 424108009 + ... + 424109591.

Almost surely, 2^671364230400 is an apocalyptic number.

671364230400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671364230400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1239551913600).

671364230400 is an abundant number, since it is smaller than the sum of its proper divisors (1807739596800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

671364230400 is a wasteful number, since it uses less digits than its factorization.

671364230400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851 (or 1829 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

Adding to 671364230400 its reverse (4032463176), we get a palindrome (675396693576).

The spelling of 671364230400 in words is "six hundred seventy-one billion, three hundred sixty-four million, two hundred thirty thousand, four hundred".